Company lists · Data refreshed September 2026

Top 25 Ring gear manufacturers based in the United States

RevenueBase identified 174 company matches for ring gear manufacturers associated with the United States as of September 2026 and tracks 4,088 professional contacts across them, including 1,369 with verified work emails. Madison Heights is the largest hub.

This list covers company matches for ring gear manufacturers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 30, 2026 How this list was built
174Companies
4,088Contacts tracked
1,369Verified emails
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The 25 largest ring gear manufacturers based in the United States

Ranked by team size
Top 25 of 174 company matches for ring gear manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRochester, NY, United StatesHQ recorded Sep 30, 20261,001-5,000750 contacts →

Exact match

“Gleason is a global leader in gear technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchBagley, NC, United StatesHQ recorded Sep 30, 20261,001-5,000487 contacts →

Exact match

“TEAM Industries is a market leader in drive train technology that offers a complete range of services that includes everything from collaboration on product designs to…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchLufkin, TX, United StatesHQ recorded Sep 30, 2026501-1,000164 contacts →

Exact match

“Our Lufkin Gears brand bring a deep history of industry-leading technology to demanding high-speed mechanical-drive, turbo machinery, and marine-propulsion applications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchCleveland, OH, United StatesHQ recorded Sep 30, 202651-200146 contacts →

Exact match

“Horsburgh & Scott, founded in 1886, is one of the world's leading providers of custom industrial gears and gearboxes.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchTraverse City, MI, United StatesHQ recorded Sep 30, 2026501-1,000121 contacts →

Exact match

“Cone Drive engineers and manufactures gearing solutions for precision motion control and mission critical applications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchWindsor, CT, United StatesHQ recorded Sep 30, 2026201-50095 contacts →

Exact match

“Aero Gear was founded in 1982 as a company that would provide solutions-focused expertise in the design, engineering and manufacturing of gears and gearbox assemblies for the…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchSouth Bend, IN, United StatesHQ recorded Sep 30, 2026201-50090 contacts →

Exact match

“Unlock precision and reliability with Schafer Industries!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchAuburn, IN, United StatesHQ recorded Sep 30, 202651-20084 contacts →

Exact match

“Auburn Gear is a mid-sized manufacturer of planetary gears and Select-A-Loc (Open to Lock and Limited to Slip to Lock) and Grip-N-Loc limited slip differentials.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchSpringville, NY, United StatesHQ recorded Sep 30, 202651-20081 contacts →

Exact match

“Winsmith manufactures gearing solutions for a wide range of applications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchCicero, IL, United StatesHQ recorded Sep 30, 2026201-50065 contacts →

Exact match

“As an ISO 9001 registered company with an international reputation for superior quality, Brad Foote Gear Works, Inc.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchClinton Township, MI, United StatesHQ recorded Sep 30, 202651-20063 contacts →

Exact match

“Drake Enterprises, Inc, located in Clinton Township, Michigan, has been in business since 1952 and continues to strive in the competitive manufacturing environment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchAddison, IL, United StatesHQ recorded Sep 30, 2026201-50060 contacts →

Exact match

“With history dating to OCG manufactures large, high-precision gears that are designed to meet a wide range of requirements for the most challenging applications in the oil and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchSterling Heights, MI, United StatesHQ recorded Sep 30, 202651-20059 contacts →

Exact match

“If you have requirements for high performance gears (spur, helical or spiral bevel), splined shaft, housings, details or complete gearboxes, Chardam Gear Company can fulfill your…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchSaint Augustine, United StatesHQ recorded Sep 30, 202651-20057 contacts →

Exact match

“Riley Gear Corporation develops and produces precision gears, custom gear boxes, and other power transmission components.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchGreenville, SC, United StatesHQ recorded Sep 30, 202651-20055 contacts →

Exact match

“Manufacturer of high-quality, reliable mechanical power transmission products including Master APG® REEVES® InnovaDrive®, Master XL, Master CombGear®, REEVES® Motodrive, and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchLivonia, MI, United StatesHQ recorded Sep 30, 202651-20043 contacts →

Exact match

“Delta Gear is committed to being World Class.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchRichmond, KY, United StatesHQ recorded Sep 30, 202651-20040 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchWaterloo, IA, United StatesHQ recorded Sep 30, 202651-20036 contacts →

Exact match

“When PEM began in 1975, we recognized that there was good demand for custom-designed gear boxes, especially for applications where high shock loads were encountered and space…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Sep 30, 202651-20034 contacts →

Exact match

“Milwaukee Gear is a world-class manufacturer of custom gearboxes and components, selling to OEM market leaders requiring highly engineered harden and ground gears to exacting…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchHudson, WI, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

“Croix Gear, located in Hudson, Wisconsin, manufactures custom gears for a wide range of industries and OEMs.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchWrentham, MA, United StatesHQ recorded Sep 30, 2026201-50031 contacts →

Exact match

“Atlantic Sintered (formerly Capstan Atlantic) is an employee-owned leading producer of precision Powdered Metal gears, sprockets and complex structural components.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchPewaukee, WI, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

“Specializing in the manufacture of precision spur gears, helical gears and worm gears.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchCleveland, OH, United StatesHQ recorded Sep 30, 202651-20030 contacts →

Exact match

“MOVING THE WORLD FOR 100 YEARS We are proud of our past, but looking forward to our future.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchClinton Twp., MI, United StatesHQ recorded Sep 30, 202611-5028 contacts →

Exact match

“IDC is the most innovative and service oriented custom gear manufacturer and reducer repair facility in the United States.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchHermann, MO, United StatesHQ recorded Sep 30, 202611-5025 contacts →

Exact match

“Manufacturer of metal & non-metal gears & gear racks to American standard, metric or circular pitch specifications.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 174 ring gear manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,369 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ring gear manufacturers based in the United States at a glance

As of Sep 30, 2026
33.5%Verified-email coverage
23.5Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Madison Heights
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
70
51-200
38
201-500
10
501-1,000
4
1,001-5,000
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 174 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “ring gear manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,369 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “ring gear manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ring gear manufacturers are there based in the United States?

RevenueBase identified 174 company matches for ring gear manufacturers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Gleason Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most ring gear manufacturers?

Madison Heights leads with 4 company records, followed by Cleveland (3) and Houston (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,369 professional contacts with verified work emails tracked across these 174 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.